Can opener



FIG. 1 is a top plan view of a can opener showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a perspective view thereof, as viewed from the bottom; and,

FIG. 8 is a perspective view thereof, as viewed from the top.

The ornamental design for a can opener, as shown and described.